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- TH685i vs TK700STi
BenQ TH685i vs BenQ TK700STi
What TH685i does better (4) and where TK700STi wins (3) — every spec side by side.
Dimensions
Size comparison
TH685iTK700STi
| TH685i | TK700STi | Difference | |
|---|---|---|---|
| Height | 110 mm | 110 mm | = |
| Width | 312 mm | 312 mm | = |
| Depth | 225 mm | 246 mm | −21 mm |
| Weight | 2.8 kg | 3.1 kg | −0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is TH685i better than TK700STi?
- Brightness (ANSI / ISO lumens)3,500 lm vs 3,000 lm+17%
- Weight2.8 kg vs 3.1 kg+11%
- Optical zoom1.3× vs 1.2×+8%
- Power consumption297 W vs 310 W+4%
Why is TK700STi better than TH685i?
- Resolution (on screen)1920 × 1080 (Full HD) vs 3840 × 2160 (4K UHD)
- Input lag8.3 ms vs 4.2 ms+98%
- HDMI inputs1 vs 22×
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1920 × 1080 (Full HD) | 3840 × 2160 (4K UHD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | — | 4K by pixel shifting |
| Display technology | DLP | DLP |
| Light source | Lamp | Lamp |
| Brightness (ANSI / ISO lumens) | 3,500 lm | 3,000 lm |
| Native contrast ratio | 10,000:1 | 10,000:1 |
| Contrast ratio (dynamic / claimed) | — | 10,000:1 |
| HDR support | Yes | Yes |
| HDR formats | HLG | HLG |
| Colour gamut (Rec.709) | 95% | 96% |
| 3D playback | Yes | Yes |
| Gaming | ||
| Input lag | 8.3 ms | 4.2 ms |
| Maximum refresh rate | — | 120 Hz |
| Lens & placement | ||
| Throw ratio | 1.13:1 | 0.9:1 |
| Throw ratio (zoomed in) | 1.46:1 | 1.08:1 |
| Throw type | Standard throw (1.0:1 and longer) | Short throw (0.4–1.0:1) |
| Distance for a 100″ 16:9 image | 2.5 m | 1.99 m |
| Smallest image size | — | 30″ |
| Largest image size | — | 300″ |
| Optical zoom | 1.3× | 1.2× |
| Lens shift | None | None |
| Autofocus | No | No |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | Yes |
| Sound | ||
| Built-in speakers (total output) | 5 W | 5 W |
| Dolby Atmos | — | Yes |
| Smart & streaming | ||
| Smart platform | Android TV | Android TV |
| Built-in smart platform | Yes | Yes |
| Netflix (officially licensed) | — | Yes |
| Wi-Fi | — | Yes |
| Bluetooth | — | Yes |
| Chromecast built-in | Yes | Yes |
| Connectivity | ||
| HDMI inputs | 1 | 2 |
| HDMI version | 2 | 2 |
| HDMI eARC | — | Yes |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | Yes | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 297 W | 310 W |
| Light source life | 4,000 h | 4,000 h |
| Light source life (eco mode) | 10,000 h | 15,000 h |
| Design & noise | ||
| Fan noise | 35 dB | 35 dB |
| Fan noise (eco mode) | — | 29 dB |
| Weight | 2.8 kg | 3.1 kg |
| Width | 312 mm | 312 mm |
| Height | 110 mm | 110 mm |
| Depth | 225 mm | 246 mm |
| Colours | White | White, Black |
